Specification Brand : Generic BulletPoint : 2017 DS3231 AT24C32 IIC I2C Precision Real Time Clock RTC Memory Module Long Term Accuracy 38mm*22mm 3.3-5.5V No Battery BulletPoint1 : The module itself can be adapted to 3.3 V and 5 V system BulletPoint2 : 40 ° C to +85 ° C temperature range, timing accuracy kept at ± 5ppm (± 0.432 sec / day) BulletPoint3 : 1 Hz and 32.768 kHz output BulletPoint4 : Accuracy of ±3℃ digital temperature sensor BulletPoint5 : Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 year compensation ItemName : 2017 DS3231 AT24C32 IIC I2C Precision Real Time Clock RTC Memory Module Long Term Accuracy 38mm*22mm 3.3-5.5V No Battery ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : clock-integrated-circuits Manufacturer : Generic Material : Copper ModelName : LimoUvUqFJtyCW ModelNumber : LimoUvUqFJtyCW NumberOfItems : 1 PartNumber : USCF_HGVD_20272 ProductDescription : 2017 DS3231 AT24C32 IIC I2C Precision Real Time Clock RTC Memory Module Long Term Accuracy 38mm*22mm 3.3-5.5V No Battery ProductSiteLaunchDate : 2023-10-09T17:35:48.650Z UnitCount : 1